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LibWeb: Improve support for 'vertical-align: middle'
This rebaselines a few table-related layout tests since our default stylesheet applies 'vertical-align: middle' to a few table-related elements.
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7 changed files with 55 additions and 20 deletions
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@ -1736,6 +1736,9 @@ CSSPixels FormattingContext::box_baseline(Box const& box) const
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case CSS::VerticalAlign::Top:
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// Top: Align the top of the aligned subtree with the top of the line box.
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return box_state.border_box_top();
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case CSS::VerticalAlign::Middle:
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// Align the vertical midpoint of the box with the baseline of the parent box plus half the x-height of the parent.
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return box_state.content_height() / 2 + CSSPixels::nearest_value_for(box.containing_block()->first_available_font().pixel_metrics().x_height / 2);
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case CSS::VerticalAlign::Bottom:
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// Bottom: Align the bottom of the aligned subtree with the bottom of the line box.
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return box_state.content_height() + box_state.margin_box_top();
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